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Abstract #2388

Motion Correction for Free-Breathing Whole Heart T1 Mapping at 3 Tesla

Qian Tao 1 , Pieternel van der Tol 1 , Hildo J. Lamb 1 , and Rob J. van der Geest 1

1 Department of Radiology, Leiden University Medical Center, Leiden, Zuid Holland, Netherlands

Myocardial tissue characterization by MR T1 mapping has potentially important clinical applications in a wide spectrum of cardiovascular disease. However, the current MOLLI technique allows limited heart coverage and requires breath-hold. To make whole heart free-breathing T1 mapping possible, motion correction methods were developed in parallel with a new MRI T1 mapping sequence to deal with the in-plane and through-plane motion which arises from the free breath. The proposed motion correction methods largely reduced the T1 mapping error, and made whole heart free-breathing T1 mapping possible both prior to and after contrast injection.

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